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    <meta charset="UTF-8" />
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    <title>Document</title>
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    <script>
      let obj = { name: '文理东' }
      //   打印对象的时候，在其后面对此对象进行修改操作。控制台打印的时候，展开此对象，会看到最后的修改的值
      console.log(obj)
      console.log(obj.name);
      obj.age = 59
      obj.name = '小龙虾'
    </script>
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